From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To: ast@kernel.org, daniel@iogearbox.net, yhs@fb.com,
davem@davemloft.net, jakub.kicinski@netronome.com,
hawk@kernel.org, john.fastabend@gmail.com
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org, clang-built-linux@googlegroups.com,
Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Subject: [PATCH bpf-next 1/8] samples: bpf: Makefile: use --target from cross-compile
Date: Thu, 5 Sep 2019 00:22:05 +0300 [thread overview]
Message-ID: <20190904212212.13052-2-ivan.khoronzhuk@linaro.org> (raw)
In-Reply-To: <20190904212212.13052-1-ivan.khoronzhuk@linaro.org>
For cross compiling the target triple can be inherited from
cross-compile prefix as it's done in CLANG_FLAGS from kernel makefile.
So copy-paste this decision from kernel Makefile.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
samples/bpf/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 1d9be26b4edd..61b7394b811e 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -196,6 +196,8 @@ BTF_PAHOLE ?= pahole
# Detect that we're cross compiling and use the cross compiler
ifdef CROSS_COMPILE
HOSTCC = $(CROSS_COMPILE)gcc
+CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
+else
CLANG_ARCH_ARGS = -target $(ARCH)
endif
--
2.17.1
next prev parent reply other threads:[~2019-09-04 21:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-04 21:22 [PATCH bpf-next 0/8] samples: bpf: improve/fix cross-compilation Ivan Khoronzhuk
2019-09-04 21:22 ` Ivan Khoronzhuk [this message]
2019-09-04 21:22 ` [PATCH bpf-next 2/8] samples: bpf: Makefile: remove target for native build Ivan Khoronzhuk
2019-09-06 23:31 ` Alexei Starovoitov
2019-09-06 23:52 ` Ivan Khoronzhuk
2019-09-07 0:04 ` Alexei Starovoitov
2019-09-07 0:19 ` Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 3/8] libbpf: Makefile: add C/CXX/LDFLAGS to libbpf.so and test_libpf targets Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 4/8] samples: bpf: use own EXTRA_CFLAGS for clang commands Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 5/8] samples: bpf: Makefile: use vars from KBUILD_CFLAGS to handle linux headers Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 6/8] samples: bpf: makefile: fix HDR_PROBE "echo" Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 7/8] samples: bpf: add makefile.prog for separate CC build Ivan Khoronzhuk
2019-09-04 21:22 ` [PATCH bpf-next 8/8] samples: bpf: Makefile: base progs build on Makefile.progs Ivan Khoronzhuk
2019-09-06 23:34 ` Alexei Starovoitov
2019-09-07 1:24 ` Ivan Khoronzhuk
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